Di Noia, Alfredo Ernesto, and Giuseppe Martino Nicoletti. “ISO 14001 Certification: Benefits, Costs and Expectations for Organization”. Studia Oeconomica Posnaniensia 4, no. 10 (October 31, 2016): 94–109. Accessed September 3, 2026. https://journals.ue.poznan.pl/soep/article/view/3562.